Excerpt: Sodium nitrite is widely used as a strong oxidant in industry and construction. Meat products are also allowed to be used in limited amounts as coloring agents or preservatives.
Nitrite mainly refers to sodium nitrite. The physical properties of sodium nitrite are: colorless crystal taste, slightly salty, easily soluble in water, the appearance and taste are similar to table salt, it has the chemical properties of salts, generally in solution The middle nitrite (NO3-) does not have strong oxidizing property. It only shows strong oxidizing property when there is strong acid in the solution or at high temperature. Sodium nitrite is unstable, and under high temperature conditions, it will decompose under heat to release oxygen.
Sodium nitrite is widely used as a strong oxidant in industry and construction. Meat products are also allowed to be used in limited amounts as coloring agents or preservatives.
Sodium nitrite is very easy to cause food poisoning. When 0.3 g-0.5 g of sodium nitrite is ingested by mistake, it can cause poisoning or even death.
Nitrite has always been regarded as a carcinogen in the medical community. Long-term consumption of foods containing nitrite can cause esophageal cancer and gastric cancer.